[PATCH] doc: rcu: Fix code listing in performance and scalability requirements

[Joel Fernandes (Google)]

The code listing under this section has a quick quiz that says line 19
uses rcu_access_pointer, but the code listing itself does not. Fix this.

Signed-off-by: Joel Fernandes (Google) <j...@joelfernandes.org>
---
 .../RCU/Design/Requirements/Requirements.html    |  2 +-
 kernel/sys.c                                     | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/Documentation/RCU/Design/Requirements/Requirements.html 
b/Documentation/RCU/Design/Requirements/Requirements.html
index 4fae55056c1d..f74a2233865c 100644
--- a/Documentation/RCU/Design/Requirements/Requirements.html
+++ b/Documentation/RCU/Design/Requirements/Requirements.html
@@ -1596,7 +1596,7 @@ used in place of <tt>synchronize_rcu()</tt> as follows:
 16   struct foo *p;
 17
 18   spin_lock(&amp;gp_lock);
-19   p = rcu_dereference(gp);
+19   p = rcu_access_pointer(gp);
 20   if (!p) {
 21     spin_unlock(&amp;gp_lock);
 22     return false;
-- 
2.19.0.605.g01d371f741-goog